The author and her siblings connect weekly. Courtesy of Ariba Mobin My siblings and I live all over the world, but our parents kept us all connected. When my parents died, however, my siblings and I decided to have a weekly video call. The ritual has been so successful that our children have started their own digital groups. I have four sisters and one brother, and I have always shared a great bond with my siblings. Despite significant age gaps (four of us are Gen X and two are Millennials)...